Sarah Jane Vowell (born December 27, 1969) is an American author, journalist, essayist and social commentator. Often referred to as a "social observer," Vowell has written six nonfiction books on American history and culture, most recently Unfamiliar Fishes which was published in 2011. She was a contributing editor for the radio program This American Life on Public Radio International from 1996 to 2008, where she produced numerous commentaries and documentaries and toured the country in many of the program's live shows. She was also the voice of Violet in the animated film The Incredibles.